Search a number
-
+
80375945050947 = 37213228118439117
BaseRepresentation
bin10010010001100111111011…
…101001110011101101000011
3101112120212100210210100222210
4102101213323221303231003
541013334413413112242
6442540111023433203
722633653563251500
oct2221477351635503
9345525323710883
1080375945050947
1123679279648257
129021491455803
1335b055a9a52a0
1415bc3060d64a7
15945b695d9d9c
hex4919fba73b43

80375945050947 has 48 divisors (see below), whose sum is σ = 134313190744992. Its totient is φ = 42377513955840.

The previous prime is 80375945050867. The next prime is 80375945050967. The reversal of 80375945050947 is 74905054957308.

It is a happy number.

It is not a de Polignac number, because 80375945050947 - 215 = 80375945018179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80375945050967) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4860568 + ... + 13578549.

It is an arithmetic number, because the mean of its divisors is an integer number (2798191473854).

Almost surely, 280375945050947 is an apocalyptic number.

80375945050947 is a deficient number, since it is larger than the sum of its proper divisors (53937245694045).

80375945050947 is a wasteful number, since it uses less digits than its factorization.

80375945050947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18441428 (or 18441421 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 66.

The spelling of 80375945050947 in words is "eighty trillion, three hundred seventy-five billion, nine hundred forty-five million, fifty thousand, nine hundred forty-seven".

Divisors: 1 3 7 13 21 39 49 91 147 273 637 1911 2281 6843 15967 29653 47901 88959 111769 207571 335307 622713 1452997 4358991 18439117 55317351 129073819 239708521 387221457 719125563 903516733 1677959647 2710550199 5033878941 11745717529 35237152587 42059625877 126178877631 294417381139 546775136401 883252143417 1640325409203 2060921667973 3827425954807 6182765003919 11482277864421 26791981683649 80375945050947